Home / 47,698.68-65,817.18-26,478.12

Finding the Fourth Proportional to 47,698.68, 65,817.18 and 26,478.12

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Solution

The fourth proportional to 47,698.68, 65,817.18 and 26,478.12 is: 36,535.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,698.68 : 65,817.18 = 26,478.12 : x
  2. Step 2: Convert to fraction form
    47,698.68/65,817.18 = 26,478.12/x
  3. Step 3: Cross multiply
    47,698.68x = 65,817.18 × 26,478.12
  4. Step 4: Simplify right side
    47,698.68x = 1,742,715,190.10
  5. Step 5: Solve for x
    x = 1,742,715,190.10/47,698.68
  6. Step 6: Final answer
    x = 36,535.92

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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.