Home / 60,085.44-90,090-31,988.16

Finding the Fourth Proportional to 60,085.44, 90,090 and 31,988.16

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Solution

The fourth proportional to 60,085.44, 90,090 and 31,988.16 is: 47,961.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,085.44 : 90,090 = 31,988.16 : x
  2. Step 2: Convert to fraction form
    60,085.44/90,090 = 31,988.16/x
  3. Step 3: Cross multiply
    60,085.44x = 90,090 × 31,988.16
  4. Step 4: Simplify right side
    60,085.44x = 2,881,813,334.40
  5. Step 5: Solve for x
    x = 2,881,813,334.40/60,085.44
  6. Step 6: Final answer
    x = 47,961.92

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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.