Home / 42,411.80-63,617.70-26,898.20

Finding the Fourth Proportional to 42,411.80, 63,617.70 and 26,898.20

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Solution

The fourth proportional to 42,411.80, 63,617.70 and 26,898.20 is: 40,347.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,411.80 : 63,617.70 = 26,898.20 : x
  2. Step 2: Convert to fraction form
    42,411.80/63,617.70 = 26,898.20/x
  3. Step 3: Cross multiply
    42,411.80x = 63,617.70 × 26,898.20
  4. Step 4: Simplify right side
    42,411.80x = 1,711,201,618.14
  5. Step 5: Solve for x
    x = 1,711,201,618.14/42,411.80
  6. Step 6: Final answer
    x = 40,347.30

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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.