Home / 42,582,988.80-58,703,340.06-30,338,588.16

Finding the Fourth Proportional to 42,582,988.80, 58,703,340.06 and 30,338,588.16

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Solution

The fourth proportional to 42,582,988.80, 58,703,340.06 and 30,338,588.16 is: 41,823,660.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,582,988.80 : 58,703,340.06 = 30,338,588.16 : x
  2. Step 2: Convert to fraction form
    42,582,988.80/58,703,340.06 = 30,338,588.16/x
  3. Step 3: Cross multiply
    42,582,988.80x = 58,703,340.06 × 30,338,588.16
  4. Step 4: Simplify right side
    42,582,988.80x = 1,780,976,457,696,769.75
  5. Step 5: Solve for x
    x = 1,780,976,457,696,769.75/42,582,988.80
  6. Step 6: Final answer
    x = 41,823,660.29

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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.