Home / 31,368.02-47,058.15-9,181.76

Finding the Fourth Proportional to 31,368.02, 47,058.15 and 9,181.76

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Solution

The fourth proportional to 31,368.02, 47,058.15 and 9,181.76 is: 13,774.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,368.02 : 47,058.15 = 9,181.76 : x
  2. Step 2: Convert to fraction form
    31,368.02/47,058.15 = 9,181.76/x
  3. Step 3: Cross multiply
    31,368.02x = 47,058.15 × 9,181.76
  4. Step 4: Simplify right side
    31,368.02x = 432,076,639.34
  5. Step 5: Solve for x
    x = 432,076,639.34/31,368.02
  6. Step 6: Final answer
    x = 13,774.43

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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.