Home / 45,104.01-67,637.48-13,502.91

Finding the Fourth Proportional to 45,104.01, 67,637.48 and 13,502.91

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Solution

The fourth proportional to 45,104.01, 67,637.48 and 13,502.91 is: 20,248.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,104.01 : 67,637.48 = 13,502.91 : x
  2. Step 2: Convert to fraction form
    45,104.01/67,637.48 = 13,502.91/x
  3. Step 3: Cross multiply
    45,104.01x = 67,637.48 × 13,502.91
  4. Step 4: Simplify right side
    45,104.01x = 913,302,737.55
  5. Step 5: Solve for x
    x = 913,302,737.55/45,104.01
  6. Step 6: Final answer
    x = 20,248.81

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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.