Home / 38,175.16-52,681.62-21,408.52

Finding the Fourth Proportional to 38,175.16, 52,681.62 and 21,408.52

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Solution

The fourth proportional to 38,175.16, 52,681.62 and 21,408.52 is: 29,543.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,175.16 : 52,681.62 = 21,408.52 : x
  2. Step 2: Convert to fraction form
    38,175.16/52,681.62 = 21,408.52/x
  3. Step 3: Cross multiply
    38,175.16x = 52,681.62 × 21,408.52
  4. Step 4: Simplify right side
    38,175.16x = 1,127,835,515.40
  5. Step 5: Solve for x
    x = 1,127,835,515.40/38,175.16
  6. Step 6: Final answer
    x = 29,543.70

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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.