Home / 65,492.10-98,252.55-21,111.30

Finding the Fourth Proportional to 65,492.10, 98,252.55 and 21,111.30

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Solution

The fourth proportional to 65,492.10, 98,252.55 and 21,111.30 is: 31,671.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,492.10 : 98,252.55 = 21,111.30 : x
  2. Step 2: Convert to fraction form
    65,492.10/98,252.55 = 21,111.30/x
  3. Step 3: Cross multiply
    65,492.10x = 98,252.55 × 21,111.30
  4. Step 4: Simplify right side
    65,492.10x = 2,074,239,058.82
  5. Step 5: Solve for x
    x = 2,074,239,058.82/65,492.10
  6. Step 6: Final answer
    x = 31,671.59

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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.