Home / 29,331.12-40,510.35-19,883.28

Finding the Fourth Proportional to 29,331.12, 40,510.35 and 19,883.28

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Solution

The fourth proportional to 29,331.12, 40,510.35 and 19,883.28 is: 27,461.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,331.12 : 40,510.35 = 19,883.28 : x
  2. Step 2: Convert to fraction form
    29,331.12/40,510.35 = 19,883.28/x
  3. Step 3: Cross multiply
    29,331.12x = 40,510.35 × 19,883.28
  4. Step 4: Simplify right side
    29,331.12x = 805,478,631.95
  5. Step 5: Solve for x
    x = 805,478,631.95/29,331.12
  6. Step 6: Final answer
    x = 27,461.57

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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.