Home / 53,430.42-80,156.56-18,365.52

Finding the Fourth Proportional to 53,430.42, 80,156.56 and 18,365.52

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Solution

The fourth proportional to 53,430.42, 80,156.56 and 18,365.52 is: 27,552.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,430.42 : 80,156.56 = 18,365.52 : x
  2. Step 2: Convert to fraction form
    53,430.42/80,156.56 = 18,365.52/x
  3. Step 3: Cross multiply
    53,430.42x = 80,156.56 × 18,365.52
  4. Step 4: Simplify right side
    53,430.42x = 1,472,116,905.81
  5. Step 5: Solve for x
    x = 1,472,116,905.81/53,430.42
  6. Step 6: Final answer
    x = 27,552.04

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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.