Home / 29,545.72-40,762.80-18,941.20

Finding the Fourth Proportional to 29,545.72, 40,762.80 and 18,941.20

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Solution

The fourth proportional to 29,545.72, 40,762.80 and 18,941.20 is: 26,132.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,545.72 : 40,762.80 = 18,941.20 : x
  2. Step 2: Convert to fraction form
    29,545.72/40,762.80 = 18,941.20/x
  3. Step 3: Cross multiply
    29,545.72x = 40,762.80 × 18,941.20
  4. Step 4: Simplify right side
    29,545.72x = 772,096,347.36
  5. Step 5: Solve for x
    x = 772,096,347.36/29,545.72
  6. Step 6: Final answer
    x = 26,132.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.