Home / 53,905.28-74,345.28-45,258.08

Finding the Fourth Proportional to 53,905.28, 74,345.28 and 45,258.08

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Solution

The fourth proportional to 53,905.28, 74,345.28 and 45,258.08 is: 62,419.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,905.28 : 74,345.28 = 45,258.08 : x
  2. Step 2: Convert to fraction form
    53,905.28/74,345.28 = 45,258.08/x
  3. Step 3: Cross multiply
    53,905.28x = 74,345.28 × 45,258.08
  4. Step 4: Simplify right side
    53,905.28x = 3,364,724,629.86
  5. Step 5: Solve for x
    x = 3,364,724,629.86/53,905.28
  6. Step 6: Final answer
    x = 62,419.20

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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.