Home / 53,030.76-73,180.80-29,155.20

Finding the Fourth Proportional to 53,030.76, 73,180.80 and 29,155.20

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Solution

The fourth proportional to 53,030.76, 73,180.80 and 29,155.20 is: 40,233.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,030.76 : 73,180.80 = 29,155.20 : x
  2. Step 2: Convert to fraction form
    53,030.76/73,180.80 = 29,155.20/x
  3. Step 3: Cross multiply
    53,030.76x = 73,180.80 × 29,155.20
  4. Step 4: Simplify right side
    53,030.76x = 2,133,600,860.16
  5. Step 5: Solve for x
    x = 2,133,600,860.16/53,030.76
  6. Step 6: Final answer
    x = 40,233.27

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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.