Home / 31,095,208-42,925,146.92-20,087,325.01

Finding the Fourth Proportional to 31,095,208, 42,925,146.92 and 20,087,325.01

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Solution

The fourth proportional to 31,095,208, 42,925,146.92 and 20,087,325.01 is: 27,729,397.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,095,208 : 42,925,146.92 = 20,087,325.01 : x
  2. Step 2: Convert to fraction form
    31,095,208/42,925,146.92 = 20,087,325.01/x
  3. Step 3: Cross multiply
    31,095,208x = 42,925,146.92 × 20,087,325.01
  4. Step 4: Simplify right side
    31,095,208x = 862,251,377,284,040.62
  5. Step 5: Solve for x
    x = 862,251,377,284,040.62/31,095,208
  6. Step 6: Final answer
    x = 27,729,397.32

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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.