Home / 38,346.29-57,545.72-13,386.35

Finding the Fourth Proportional to 38,346.29, 57,545.72 and 13,386.35

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Solution

The fourth proportional to 38,346.29, 57,545.72 and 13,386.35 is: 20,088.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,346.29 : 57,545.72 = 13,386.35 : x
  2. Step 2: Convert to fraction form
    38,346.29/57,545.72 = 13,386.35/x
  3. Step 3: Cross multiply
    38,346.29x = 57,545.72 × 13,386.35
  4. Step 4: Simplify right side
    38,346.29x = 770,326,794.26
  5. Step 5: Solve for x
    x = 770,326,794.26/38,346.29
  6. Step 6: Final answer
    x = 20,088.69

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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.