Home / 55,421.28-76,509.36-43,295.04

Finding the Fourth Proportional to 55,421.28, 76,509.36 and 43,295.04

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Solution

The fourth proportional to 55,421.28, 76,509.36 and 43,295.04 is: 59,769.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,421.28 : 76,509.36 = 43,295.04 : x
  2. Step 2: Convert to fraction form
    55,421.28/76,509.36 = 43,295.04/x
  3. Step 3: Cross multiply
    55,421.28x = 76,509.36 × 43,295.04
  4. Step 4: Simplify right side
    55,421.28x = 3,312,475,801.57
  5. Step 5: Solve for x
    x = 3,312,475,801.57/55,421.28
  6. Step 6: Final answer
    x = 59,769.02

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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.