Home / 52,200.58-72,071.49-30,986.66

Finding the Fourth Proportional to 52,200.58, 72,071.49 and 30,986.66

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Solution

The fourth proportional to 52,200.58, 72,071.49 and 30,986.66 is: 42,782.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,200.58 : 72,071.49 = 30,986.66 : x
  2. Step 2: Convert to fraction form
    52,200.58/72,071.49 = 30,986.66/x
  3. Step 3: Cross multiply
    52,200.58x = 72,071.49 × 30,986.66
  4. Step 4: Simplify right side
    52,200.58x = 2,233,254,756.32
  5. Step 5: Solve for x
    x = 2,233,254,756.32/52,200.58
  6. Step 6: Final answer
    x = 42,782.18

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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.