Home / 19,931.29-29,841.57-10,040.58

Finding the Fourth Proportional to 19,931.29, 29,841.57 and 10,040.58

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Solution

The fourth proportional to 19,931.29, 29,841.57 and 10,040.58 is: 15,032.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,931.29 : 29,841.57 = 10,040.58 : x
  2. Step 2: Convert to fraction form
    19,931.29/29,841.57 = 10,040.58/x
  3. Step 3: Cross multiply
    19,931.29x = 29,841.57 × 10,040.58
  4. Step 4: Simplify right side
    19,931.29x = 299,626,670.91
  5. Step 5: Solve for x
    x = 299,626,670.91/19,931.29
  6. Step 6: Final answer
    x = 15,032.98

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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.