Home / 47,567.40-65,643.49-28,700.88

Finding the Fourth Proportional to 47,567.40, 65,643.49 and 28,700.88

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Solution

The fourth proportional to 47,567.40, 65,643.49 and 28,700.88 is: 39,607.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,567.40 : 65,643.49 = 28,700.88 : x
  2. Step 2: Convert to fraction form
    47,567.40/65,643.49 = 28,700.88/x
  3. Step 3: Cross multiply
    47,567.40x = 65,643.49 × 28,700.88
  4. Step 4: Simplify right side
    47,567.40x = 1,884,025,929.27
  5. Step 5: Solve for x
    x = 1,884,025,929.27/47,567.40
  6. Step 6: Final answer
    x = 39,607.50

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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.