Home / 30,751,038.76-42,437,319.18-17,000,888.62

Finding the Fourth Proportional to 30,751,038.76, 42,437,319.18 and 17,000,888.62

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Solution

The fourth proportional to 30,751,038.76, 42,437,319.18 and 17,000,888.62 is: 23,461,715.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,751,038.76 : 42,437,319.18 = 17,000,888.62 : x
  2. Step 2: Convert to fraction form
    30,751,038.76/42,437,319.18 = 17,000,888.62/x
  3. Step 3: Cross multiply
    30,751,038.76x = 42,437,319.18 × 17,000,888.62
  4. Step 4: Simplify right side
    30,751,038.76x = 721,472,136,710,569.75
  5. Step 5: Solve for x
    x = 721,472,136,710,569.75/30,751,038.76
  6. Step 6: Final answer
    x = 23,461,715.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.