Home / 42,145.32-63,283.74-40,275.72

Finding the Fourth Proportional to 42,145.32, 63,283.74 and 40,275.72

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Solution

The fourth proportional to 42,145.32, 63,283.74 and 40,275.72 is: 60,476.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,145.32 : 63,283.74 = 40,275.72 : x
  2. Step 2: Convert to fraction form
    42,145.32/63,283.74 = 40,275.72/x
  3. Step 3: Cross multiply
    42,145.32x = 63,283.74 × 40,275.72
  4. Step 4: Simplify right side
    42,145.32x = 2,548,798,192.79
  5. Step 5: Solve for x
    x = 2,548,798,192.79/42,145.32
  6. Step 6: Final answer
    x = 60,476.42

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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.