Home / 65,482.32-98,237.13-21,113.55

Finding the Fourth Proportional to 65,482.32, 98,237.13 and 21,113.55

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Solution

The fourth proportional to 65,482.32, 98,237.13 and 21,113.55 is: 31,674.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,482.32 : 98,237.13 = 21,113.55 : x
  2. Step 2: Convert to fraction form
    65,482.32/98,237.13 = 21,113.55/x
  3. Step 3: Cross multiply
    65,482.32x = 98,237.13 × 21,113.55
  4. Step 4: Simplify right side
    65,482.32x = 2,074,134,556.11
  5. Step 5: Solve for x
    x = 2,074,134,556.11/65,482.32
  6. Step 6: Final answer
    x = 31,674.73

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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.