Home / 42,432.93-63,552.45-20,261.84

Finding the Fourth Proportional to 42,432.93, 63,552.45 and 20,261.84

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Solution

The fourth proportional to 42,432.93, 63,552.45 and 20,261.84 is: 30,346.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,432.93 : 63,552.45 = 20,261.84 : x
  2. Step 2: Convert to fraction form
    42,432.93/63,552.45 = 20,261.84/x
  3. Step 3: Cross multiply
    42,432.93x = 63,552.45 × 20,261.84
  4. Step 4: Simplify right side
    42,432.93x = 1,287,689,573.51
  5. Step 5: Solve for x
    x = 1,287,689,573.51/42,432.93
  6. Step 6: Final answer
    x = 30,346.47

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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.