Home / 38,197.50-52,712.55-21,430.14

Finding the Fourth Proportional to 38,197.50, 52,712.55 and 21,430.14

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Solution

The fourth proportional to 38,197.50, 52,712.55 and 21,430.14 is: 29,573.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,197.50 : 52,712.55 = 21,430.14 : x
  2. Step 2: Convert to fraction form
    38,197.50/52,712.55 = 21,430.14/x
  3. Step 3: Cross multiply
    38,197.50x = 52,712.55 × 21,430.14
  4. Step 4: Simplify right side
    38,197.50x = 1,129,637,326.26
  5. Step 5: Solve for x
    x = 1,129,637,326.26/38,197.50
  6. Step 6: Final answer
    x = 29,573.59

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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.