Home / 43,545.48-65,312.08-13,959.48

Finding the Fourth Proportional to 43,545.48, 65,312.08 and 13,959.48

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Solution

The fourth proportional to 43,545.48, 65,312.08 and 13,959.48 is: 20,937.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,545.48 : 65,312.08 = 13,959.48 : x
  2. Step 2: Convert to fraction form
    43,545.48/65,312.08 = 13,959.48/x
  3. Step 3: Cross multiply
    43,545.48x = 65,312.08 × 13,959.48
  4. Step 4: Simplify right side
    43,545.48x = 911,722,674.52
  5. Step 5: Solve for x
    x = 911,722,674.52/43,545.48
  6. Step 6: Final answer
    x = 20,937.25

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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.