Home / 39,346.40-54,317.72-25,020.64

Finding the Fourth Proportional to 39,346.40, 54,317.72 and 25,020.64

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Solution

The fourth proportional to 39,346.40, 54,317.72 and 25,020.64 is: 34,541.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,346.40 : 54,317.72 = 25,020.64 : x
  2. Step 2: Convert to fraction form
    39,346.40/54,317.72 = 25,020.64/x
  3. Step 3: Cross multiply
    39,346.40x = 54,317.72 × 25,020.64
  4. Step 4: Simplify right side
    39,346.40x = 1,359,064,117.74
  5. Step 5: Solve for x
    x = 1,359,064,117.74/39,346.40
  6. Step 6: Final answer
    x = 34,541.00

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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.