Home / 42,384.38-63,577.65-12,803.18

Finding the Fourth Proportional to 42,384.38, 63,577.65 and 12,803.18

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Solution

The fourth proportional to 42,384.38, 63,577.65 and 12,803.18 is: 19,205.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,384.38 : 63,577.65 = 12,803.18 : x
  2. Step 2: Convert to fraction form
    42,384.38/63,577.65 = 12,803.18/x
  3. Step 3: Cross multiply
    42,384.38x = 63,577.65 × 12,803.18
  4. Step 4: Simplify right side
    42,384.38x = 813,996,096.93
  5. Step 5: Solve for x
    x = 813,996,096.93/42,384.38
  6. Step 6: Final answer
    x = 19,205.10

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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.