Home / 38,320.29-52,883.01-21,325.68

Finding the Fourth Proportional to 38,320.29, 52,883.01 and 21,325.68

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Solution

The fourth proportional to 38,320.29, 52,883.01 and 21,325.68 is: 29,430.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,320.29 : 52,883.01 = 21,325.68 : x
  2. Step 2: Convert to fraction form
    38,320.29/52,883.01 = 21,325.68/x
  3. Step 3: Cross multiply
    38,320.29x = 52,883.01 × 21,325.68
  4. Step 4: Simplify right side
    38,320.29x = 1,127,766,148.70
  5. Step 5: Solve for x
    x = 1,127,766,148.70/38,320.29
  6. Step 6: Final answer
    x = 29,430.00

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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.