Home / 55,357.11-83,038.23-17,920.13

Finding the Fourth Proportional to 55,357.11, 83,038.23 and 17,920.13

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Solution

The fourth proportional to 55,357.11, 83,038.23 and 17,920.13 is: 26,881.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,357.11 : 83,038.23 = 17,920.13 : x
  2. Step 2: Convert to fraction form
    55,357.11/83,038.23 = 17,920.13/x
  3. Step 3: Cross multiply
    55,357.11x = 83,038.23 × 17,920.13
  4. Step 4: Simplify right side
    55,357.11x = 1,488,055,461.38
  5. Step 5: Solve for x
    x = 1,488,055,461.38/55,357.11
  6. Step 6: Final answer
    x = 26,881.02

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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.