Home / 42,178.32-63,548.96-38,180.77

Finding the Fourth Proportional to 42,178.32, 63,548.96 and 38,180.77

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Solution

The fourth proportional to 42,178.32, 63,548.96 and 38,180.77 is: 57,525.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,178.32 : 63,548.96 = 38,180.77 : x
  2. Step 2: Convert to fraction form
    42,178.32/63,548.96 = 38,180.77/x
  3. Step 3: Cross multiply
    42,178.32x = 63,548.96 × 38,180.77
  4. Step 4: Simplify right side
    42,178.32x = 2,426,347,875.72
  5. Step 5: Solve for x
    x = 2,426,347,875.72/42,178.32
  6. Step 6: Final answer
    x = 57,525.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.