Home / 32,130.48-47,977.05-28,350.75

Finding the Fourth Proportional to 32,130.48, 47,977.05 and 28,350.75

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Solution

The fourth proportional to 32,130.48, 47,977.05 and 28,350.75 is: 42,333.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,130.48 : 47,977.05 = 28,350.75 : x
  2. Step 2: Convert to fraction form
    32,130.48/47,977.05 = 28,350.75/x
  3. Step 3: Cross multiply
    32,130.48x = 47,977.05 × 28,350.75
  4. Step 4: Simplify right side
    32,130.48x = 1,360,185,350.29
  5. Step 5: Solve for x
    x = 1,360,185,350.29/32,130.48
  6. Step 6: Final answer
    x = 42,333.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.