Home / 42,987.60-59,325.48-26,220.72

Finding the Fourth Proportional to 42,987.60, 59,325.48 and 26,220.72

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Solution

The fourth proportional to 42,987.60, 59,325.48 and 26,220.72 is: 36,186.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,987.60 : 59,325.48 = 26,220.72 : x
  2. Step 2: Convert to fraction form
    42,987.60/59,325.48 = 26,220.72/x
  3. Step 3: Cross multiply
    42,987.60x = 59,325.48 × 26,220.72
  4. Step 4: Simplify right side
    42,987.60x = 1,555,556,799.95
  5. Step 5: Solve for x
    x = 1,555,556,799.95/42,987.60
  6. Step 6: Final answer
    x = 36,186.17

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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.