Home / 38,378.19-57,562.57-10,300.45

Finding the Fourth Proportional to 38,378.19, 57,562.57 and 10,300.45

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Solution

The fourth proportional to 38,378.19, 57,562.57 and 10,300.45 is: 15,449.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,378.19 : 57,562.57 = 10,300.45 : x
  2. Step 2: Convert to fraction form
    38,378.19/57,562.57 = 10,300.45/x
  3. Step 3: Cross multiply
    38,378.19x = 57,562.57 × 10,300.45
  4. Step 4: Simplify right side
    38,378.19x = 592,920,374.16
  5. Step 5: Solve for x
    x = 592,920,374.16/38,378.19
  6. Step 6: Final answer
    x = 15,449.41

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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.