Home / 55,641.33-83,462.10-13,521.45

Finding the Fourth Proportional to 55,641.33, 83,462.10 and 13,521.45

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Solution

The fourth proportional to 55,641.33, 83,462.10 and 13,521.45 is: 20,282.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,641.33 : 83,462.10 = 13,521.45 : x
  2. Step 2: Convert to fraction form
    55,641.33/83,462.10 = 13,521.45/x
  3. Step 3: Cross multiply
    55,641.33x = 83,462.10 × 13,521.45
  4. Step 4: Simplify right side
    55,641.33x = 1,128,528,612.05
  5. Step 5: Solve for x
    x = 1,128,528,612.05/55,641.33
  6. Step 6: Final answer
    x = 20,282.20

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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.