Home / 47,287.09-70,882.77-30,657.69

Finding the Fourth Proportional to 47,287.09, 70,882.77 and 30,657.69

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Solution

The fourth proportional to 47,287.09, 70,882.77 and 30,657.69 is: 45,955.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,287.09 : 70,882.77 = 30,657.69 : x
  2. Step 2: Convert to fraction form
    47,287.09/70,882.77 = 30,657.69/x
  3. Step 3: Cross multiply
    47,287.09x = 70,882.77 × 30,657.69
  4. Step 4: Simplify right side
    47,287.09x = 2,173,101,989.00
  5. Step 5: Solve for x
    x = 2,173,101,989.00/47,287.09
  6. Step 6: Final answer
    x = 45,955.50

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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.