Home / 42,585.76-63,818.40-23,618.80

Finding the Fourth Proportional to 42,585.76, 63,818.40 and 23,618.80

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Solution

The fourth proportional to 42,585.76, 63,818.40 and 23,618.80 is: 35,394.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,585.76 : 63,818.40 = 23,618.80 : x
  2. Step 2: Convert to fraction form
    42,585.76/63,818.40 = 23,618.80/x
  3. Step 3: Cross multiply
    42,585.76x = 63,818.40 × 23,618.80
  4. Step 4: Simplify right side
    42,585.76x = 1,507,314,025.92
  5. Step 5: Solve for x
    x = 1,507,314,025.92/42,585.76
  6. Step 6: Final answer
    x = 35,394.79

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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.