Home / 30,748.90-42,417.93-23,672.74

Finding the Fourth Proportional to 30,748.90, 42,417.93 and 23,672.74

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Solution

The fourth proportional to 30,748.90, 42,417.93 and 23,672.74 is: 32,656.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,748.90 : 42,417.93 = 23,672.74 : x
  2. Step 2: Convert to fraction form
    30,748.90/42,417.93 = 23,672.74/x
  3. Step 3: Cross multiply
    30,748.90x = 42,417.93 × 23,672.74
  4. Step 4: Simplify right side
    30,748.90x = 1,004,148,628.23
  5. Step 5: Solve for x
    x = 1,004,148,628.23/30,748.90
  6. Step 6: Final answer
    x = 32,656.41

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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.