Home / 60,492.20-90,738.30-21,036.20

Finding the Fourth Proportional to 60,492.20, 90,738.30 and 21,036.20

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Solution

The fourth proportional to 60,492.20, 90,738.30 and 21,036.20 is: 31,554.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,492.20 : 90,738.30 = 21,036.20 : x
  2. Step 2: Convert to fraction form
    60,492.20/90,738.30 = 21,036.20/x
  3. Step 3: Cross multiply
    60,492.20x = 90,738.30 × 21,036.20
  4. Step 4: Simplify right side
    60,492.20x = 1,908,789,026.46
  5. Step 5: Solve for x
    x = 1,908,789,026.46/60,492.20
  6. Step 6: Final answer
    x = 31,554.30

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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.