Home / 53,000.10-79,502.90-13,557.56

Finding the Fourth Proportional to 53,000.10, 79,502.90 and 13,557.56

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Solution

The fourth proportional to 53,000.10, 79,502.90 and 13,557.56 is: 20,337.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,000.10 : 79,502.90 = 13,557.56 : x
  2. Step 2: Convert to fraction form
    53,000.10/79,502.90 = 13,557.56/x
  3. Step 3: Cross multiply
    53,000.10x = 79,502.90 × 13,557.56
  4. Step 4: Simplify right side
    53,000.10x = 1,077,864,871.62
  5. Step 5: Solve for x
    x = 1,077,864,871.62/53,000.10
  6. Step 6: Final answer
    x = 20,337.03

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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.