Home / 42,525.10-63,787.68-19,124.20

Finding the Fourth Proportional to 42,525.10, 63,787.68 and 19,124.20

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Solution

The fourth proportional to 42,525.10, 63,787.68 and 19,124.20 is: 28,686.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,525.10 : 63,787.68 = 19,124.20 : x
  2. Step 2: Convert to fraction form
    42,525.10/63,787.68 = 19,124.20/x
  3. Step 3: Cross multiply
    42,525.10x = 63,787.68 × 19,124.20
  4. Step 4: Simplify right side
    42,525.10x = 1,219,888,349.86
  5. Step 5: Solve for x
    x = 1,219,888,349.86/42,525.10
  6. Step 6: Final answer
    x = 28,686.31

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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.