Home / 38,152.02-52,650.43-21,156.98

Finding the Fourth Proportional to 38,152.02, 52,650.43 and 21,156.98

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Solution

The fourth proportional to 38,152.02, 52,650.43 and 21,156.98 is: 29,196.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,152.02 : 52,650.43 = 21,156.98 : x
  2. Step 2: Convert to fraction form
    38,152.02/52,650.43 = 21,156.98/x
  3. Step 3: Cross multiply
    38,152.02x = 52,650.43 × 21,156.98
  4. Step 4: Simplify right side
    38,152.02x = 1,113,924,252.57
  5. Step 5: Solve for x
    x = 1,113,924,252.57/38,152.02
  6. Step 6: Final answer
    x = 29,196.99

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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.