Home / 47,459.52-65,433.36-38,930.40

Finding the Fourth Proportional to 47,459.52, 65,433.36 and 38,930.40

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Solution

The fourth proportional to 47,459.52, 65,433.36 and 38,930.40 is: 53,674.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,459.52 : 65,433.36 = 38,930.40 : x
  2. Step 2: Convert to fraction form
    47,459.52/65,433.36 = 38,930.40/x
  3. Step 3: Cross multiply
    47,459.52x = 65,433.36 × 38,930.40
  4. Step 4: Simplify right side
    47,459.52x = 2,547,346,878.14
  5. Step 5: Solve for x
    x = 2,547,346,878.14/47,459.52
  6. Step 6: Final answer
    x = 53,674.10

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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.