Home / 47,086.16-70,629.36-11,547.65

Finding the Fourth Proportional to 47,086.16, 70,629.36 and 11,547.65

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Solution

The fourth proportional to 47,086.16, 70,629.36 and 11,547.65 is: 17,321.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,086.16 : 70,629.36 = 11,547.65 : x
  2. Step 2: Convert to fraction form
    47,086.16/70,629.36 = 11,547.65/x
  3. Step 3: Cross multiply
    47,086.16x = 70,629.36 × 11,547.65
  4. Step 4: Simplify right side
    47,086.16x = 815,602,775.86
  5. Step 5: Solve for x
    x = 815,602,775.86/47,086.16
  6. Step 6: Final answer
    x = 17,321.50

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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.