Home / 54,225.81-74,801.70-38,117.88

Finding the Fourth Proportional to 54,225.81, 74,801.70 and 38,117.88

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Solution

The fourth proportional to 54,225.81, 74,801.70 and 38,117.88 is: 52,581.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,225.81 : 74,801.70 = 38,117.88 : x
  2. Step 2: Convert to fraction form
    54,225.81/74,801.70 = 38,117.88/x
  3. Step 3: Cross multiply
    54,225.81x = 74,801.70 × 38,117.88
  4. Step 4: Simplify right side
    54,225.81x = 2,851,282,224.40
  5. Step 5: Solve for x
    x = 2,851,282,224.40/54,225.81
  6. Step 6: Final answer
    x = 52,581.64

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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.