Home / 47,619.68-65,715.20-26,399.20

Finding the Fourth Proportional to 47,619.68, 65,715.20 and 26,399.20

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Solution

The fourth proportional to 47,619.68, 65,715.20 and 26,399.20 is: 36,430.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,619.68 : 65,715.20 = 26,399.20 : x
  2. Step 2: Convert to fraction form
    47,619.68/65,715.20 = 26,399.20/x
  3. Step 3: Cross multiply
    47,619.68x = 65,715.20 × 26,399.20
  4. Step 4: Simplify right side
    47,619.68x = 1,734,828,707.84
  5. Step 5: Solve for x
    x = 1,734,828,707.84/47,619.68
  6. Step 6: Final answer
    x = 36,430.92

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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.