Home / 47,235.19-70,831.60-13,943.58

Finding the Fourth Proportional to 47,235.19, 70,831.60 and 13,943.58

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Solution

The fourth proportional to 47,235.19, 70,831.60 and 13,943.58 is: 20,909.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,235.19 : 70,831.60 = 13,943.58 : x
  2. Step 2: Convert to fraction form
    47,235.19/70,831.60 = 13,943.58/x
  3. Step 3: Cross multiply
    47,235.19x = 70,831.60 × 13,943.58
  4. Step 4: Simplify right side
    47,235.19x = 987,646,081.13
  5. Step 5: Solve for x
    x = 987,646,081.13/47,235.19
  6. Step 6: Final answer
    x = 20,909.12

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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.