Home / 40,952.19-61,428.21-12,874.70

Finding the Fourth Proportional to 40,952.19, 61,428.21 and 12,874.70

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Solution

The fourth proportional to 40,952.19, 61,428.21 and 12,874.70 is: 19,312.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,952.19 : 61,428.21 = 12,874.70 : x
  2. Step 2: Convert to fraction form
    40,952.19/61,428.21 = 12,874.70/x
  3. Step 3: Cross multiply
    40,952.19x = 61,428.21 × 12,874.70
  4. Step 4: Simplify right side
    40,952.19x = 790,869,607.46
  5. Step 5: Solve for x
    x = 790,869,607.46/40,952.19
  6. Step 6: Final answer
    x = 19,312.02

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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.