Home / 40,143.90-59,971.67-25,988.61

Finding the Fourth Proportional to 40,143.90, 59,971.67 and 25,988.61

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Solution

The fourth proportional to 40,143.90, 59,971.67 and 25,988.61 is: 38,824.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,143.90 : 59,971.67 = 25,988.61 : x
  2. Step 2: Convert to fraction form
    40,143.90/59,971.67 = 25,988.61/x
  3. Step 3: Cross multiply
    40,143.90x = 59,971.67 × 25,988.61
  4. Step 4: Simplify right side
    40,143.90x = 1,558,580,075.31
  5. Step 5: Solve for x
    x = 1,558,580,075.31/40,143.90
  6. Step 6: Final answer
    x = 38,824.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.