Home / 61,171.69-84,417.76-34,312.60

Finding the Fourth Proportional to 61,171.69, 84,417.76 and 34,312.60

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Solution

The fourth proportional to 61,171.69, 84,417.76 and 34,312.60 is: 47,351.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,171.69 : 84,417.76 = 34,312.60 : x
  2. Step 2: Convert to fraction form
    61,171.69/84,417.76 = 34,312.60/x
  3. Step 3: Cross multiply
    61,171.69x = 84,417.76 × 34,312.60
  4. Step 4: Simplify right side
    61,171.69x = 2,896,592,831.78
  5. Step 5: Solve for x
    x = 2,896,592,831.78/61,171.69
  6. Step 6: Final answer
    x = 47,351.85

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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.