Home / 42,777.08-64,169.04-14,685.92

Finding the Fourth Proportional to 42,777.08, 64,169.04 and 14,685.92

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Solution

The fourth proportional to 42,777.08, 64,169.04 and 14,685.92 is: 22,030.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,777.08 : 64,169.04 = 14,685.92 : x
  2. Step 2: Convert to fraction form
    42,777.08/64,169.04 = 14,685.92/x
  3. Step 3: Cross multiply
    42,777.08x = 64,169.04 × 14,685.92
  4. Step 4: Simplify right side
    42,777.08x = 942,381,387.92
  5. Step 5: Solve for x
    x = 942,381,387.92/42,777.08
  6. Step 6: Final answer
    x = 22,030.05

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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.