Home / 42,089.28-58,083.48-22,970.40

Finding the Fourth Proportional to 42,089.28, 58,083.48 and 22,970.40

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Solution

The fourth proportional to 42,089.28, 58,083.48 and 22,970.40 is: 31,699.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,089.28 : 58,083.48 = 22,970.40 : x
  2. Step 2: Convert to fraction form
    42,089.28/58,083.48 = 22,970.40/x
  3. Step 3: Cross multiply
    42,089.28x = 58,083.48 × 22,970.40
  4. Step 4: Simplify right side
    42,089.28x = 1,334,200,768.99
  5. Step 5: Solve for x
    x = 1,334,200,768.99/42,089.28
  6. Step 6: Final answer
    x = 31,699.30

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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.