Home / 47,210.40-65,157.48-28,357.92

Finding the Fourth Proportional to 47,210.40, 65,157.48 and 28,357.92

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Solution

The fourth proportional to 47,210.40, 65,157.48 and 28,357.92 is: 39,138.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,210.40 : 65,157.48 = 28,357.92 : x
  2. Step 2: Convert to fraction form
    47,210.40/65,157.48 = 28,357.92/x
  3. Step 3: Cross multiply
    47,210.40x = 65,157.48 × 28,357.92
  4. Step 4: Simplify right side
    47,210.40x = 1,847,730,605.24
  5. Step 5: Solve for x
    x = 1,847,730,605.24/47,210.40
  6. Step 6: Final answer
    x = 39,138.21

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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.