Home / 34,680.70-47,859.36-18,765.16

Finding the Fourth Proportional to 34,680.70, 47,859.36 and 18,765.16

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Solution

The fourth proportional to 34,680.70, 47,859.36 and 18,765.16 is: 25,895.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,680.70 : 47,859.36 = 18,765.16 : x
  2. Step 2: Convert to fraction form
    34,680.70/47,859.36 = 18,765.16/x
  3. Step 3: Cross multiply
    34,680.70x = 47,859.36 × 18,765.16
  4. Step 4: Simplify right side
    34,680.70x = 898,088,547.90
  5. Step 5: Solve for x
    x = 898,088,547.90/34,680.70
  6. Step 6: Final answer
    x = 25,895.92

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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.