Home / 47,253.38-70,831.47-20,970.50

Finding the Fourth Proportional to 47,253.38, 70,831.47 and 20,970.50

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Solution

The fourth proportional to 47,253.38, 70,831.47 and 20,970.50 is: 31,434.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,253.38 : 70,831.47 = 20,970.50 : x
  2. Step 2: Convert to fraction form
    47,253.38/70,831.47 = 20,970.50/x
  3. Step 3: Cross multiply
    47,253.38x = 70,831.47 × 20,970.50
  4. Step 4: Simplify right side
    47,253.38x = 1,485,371,341.64
  5. Step 5: Solve for x
    x = 1,485,371,341.64/47,253.38
  6. Step 6: Final answer
    x = 31,434.18

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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.