Home / 67,304.48-92,875.74-40,431.08

Finding the Fourth Proportional to 67,304.48, 92,875.74 and 40,431.08

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Solution

The fourth proportional to 67,304.48, 92,875.74 and 40,431.08 is: 55,792.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,304.48 : 92,875.74 = 40,431.08 : x
  2. Step 2: Convert to fraction form
    67,304.48/92,875.74 = 40,431.08/x
  3. Step 3: Cross multiply
    67,304.48x = 92,875.74 × 40,431.08
  4. Step 4: Simplify right side
    67,304.48x = 3,755,066,474.00
  5. Step 5: Solve for x
    x = 3,755,066,474.00/67,304.48
  6. Step 6: Final answer
    x = 55,792.22

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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.