Home / 38,152.64-52,649.70-21,156.95

Finding the Fourth Proportional to 38,152.64, 52,649.70 and 21,156.95

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Solution

The fourth proportional to 38,152.64, 52,649.70 and 21,156.95 is: 29,196.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,152.64 : 52,649.70 = 21,156.95 : x
  2. Step 2: Convert to fraction form
    38,152.64/52,649.70 = 21,156.95/x
  3. Step 3: Cross multiply
    38,152.64x = 52,649.70 × 21,156.95
  4. Step 4: Simplify right side
    38,152.64x = 1,113,907,070.42
  5. Step 5: Solve for x
    x = 1,113,907,070.42/38,152.64
  6. Step 6: Final answer
    x = 29,196.07

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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.