Home / 53,533.29-80,279.16-28,559.70

Finding the Fourth Proportional to 53,533.29, 80,279.16 and 28,559.70

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Solution

The fourth proportional to 53,533.29, 80,279.16 and 28,559.70 is: 42,828.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,533.29 : 80,279.16 = 28,559.70 : x
  2. Step 2: Convert to fraction form
    53,533.29/80,279.16 = 28,559.70/x
  3. Step 3: Cross multiply
    53,533.29x = 80,279.16 × 28,559.70
  4. Step 4: Simplify right side
    53,533.29x = 2,292,748,725.85
  5. Step 5: Solve for x
    x = 2,292,748,725.85/53,533.29
  6. Step 6: Final answer
    x = 42,828.47

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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.