Home / 38,316.93-57,400.65-21,626.47

Finding the Fourth Proportional to 38,316.93, 57,400.65 and 21,626.47

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Solution

The fourth proportional to 38,316.93, 57,400.65 and 21,626.47 is: 32,397.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,316.93 : 57,400.65 = 21,626.47 : x
  2. Step 2: Convert to fraction form
    38,316.93/57,400.65 = 21,626.47/x
  3. Step 3: Cross multiply
    38,316.93x = 57,400.65 × 21,626.47
  4. Step 4: Simplify right side
    38,316.93x = 1,241,373,435.21
  5. Step 5: Solve for x
    x = 1,241,373,435.21/38,316.93
  6. Step 6: Final answer
    x = 32,397.52

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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.