Home / 31,344.02-47,035.47-28,116.98

Finding the Fourth Proportional to 31,344.02, 47,035.47 and 28,116.98

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Solution

The fourth proportional to 31,344.02, 47,035.47 and 28,116.98 is: 42,192.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,344.02 : 47,035.47 = 28,116.98 : x
  2. Step 2: Convert to fraction form
    31,344.02/47,035.47 = 28,116.98/x
  3. Step 3: Cross multiply
    31,344.02x = 47,035.47 × 28,116.98
  4. Step 4: Simplify right side
    31,344.02x = 1,322,495,134.10
  5. Step 5: Solve for x
    x = 1,322,495,134.10/31,344.02
  6. Step 6: Final answer
    x = 42,192.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.