Home / 42,698.13-58,792.98-38,693.19

Finding the Fourth Proportional to 42,698.13, 58,792.98 and 38,693.19

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Solution

The fourth proportional to 42,698.13, 58,792.98 and 38,693.19 is: 53,278.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,698.13 : 58,792.98 = 38,693.19 : x
  2. Step 2: Convert to fraction form
    42,698.13/58,792.98 = 38,693.19/x
  3. Step 3: Cross multiply
    42,698.13x = 58,792.98 × 38,693.19
  4. Step 4: Simplify right side
    42,698.13x = 2,274,887,945.81
  5. Step 5: Solve for x
    x = 2,274,887,945.81/42,698.13
  6. Step 6: Final answer
    x = 53,278.40

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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.