Home / 42,428.84-58,553.46-29,028.20

Finding the Fourth Proportional to 42,428.84, 58,553.46 and 29,028.20

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Solution

The fourth proportional to 42,428.84, 58,553.46 and 29,028.20 is: 40,060.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,428.84 : 58,553.46 = 29,028.20 : x
  2. Step 2: Convert to fraction form
    42,428.84/58,553.46 = 29,028.20/x
  3. Step 3: Cross multiply
    42,428.84x = 58,553.46 × 29,028.20
  4. Step 4: Simplify right side
    42,428.84x = 1,699,701,547.57
  5. Step 5: Solve for x
    x = 1,699,701,547.57/42,428.84
  6. Step 6: Final answer
    x = 40,060.05

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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.