Home / 52,220.76-72,206.40-51,376.68

Finding the Fourth Proportional to 52,220.76, 72,206.40 and 51,376.68

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Solution

The fourth proportional to 52,220.76, 72,206.40 and 51,376.68 is: 71,039.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,220.76 : 72,206.40 = 51,376.68 : x
  2. Step 2: Convert to fraction form
    52,220.76/72,206.40 = 51,376.68/x
  3. Step 3: Cross multiply
    52,220.76x = 72,206.40 × 51,376.68
  4. Step 4: Simplify right side
    52,220.76x = 3,709,725,106.75
  5. Step 5: Solve for x
    x = 3,709,725,106.75/52,220.76
  6. Step 6: Final answer
    x = 71,039.28

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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.