Home / 42,823.08-64,211.04-13,232.70

Finding the Fourth Proportional to 42,823.08, 64,211.04 and 13,232.70

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Solution

The fourth proportional to 42,823.08, 64,211.04 and 13,232.70 is: 19,841.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,823.08 : 64,211.04 = 13,232.70 : x
  2. Step 2: Convert to fraction form
    42,823.08/64,211.04 = 13,232.70/x
  3. Step 3: Cross multiply
    42,823.08x = 64,211.04 × 13,232.70
  4. Step 4: Simplify right side
    42,823.08x = 849,685,429.01
  5. Step 5: Solve for x
    x = 849,685,429.01/42,823.08
  6. Step 6: Final answer
    x = 19,841.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.