Home / 55,533.31-83,307.87-20,470.23

Finding the Fourth Proportional to 55,533.31, 83,307.87 and 20,470.23

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Solution

The fourth proportional to 55,533.31, 83,307.87 and 20,470.23 is: 30,708.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,533.31 : 83,307.87 = 20,470.23 : x
  2. Step 2: Convert to fraction form
    55,533.31/83,307.87 = 20,470.23/x
  3. Step 3: Cross multiply
    55,533.31x = 83,307.87 × 20,470.23
  4. Step 4: Simplify right side
    55,533.31x = 1,705,331,259.71
  5. Step 5: Solve for x
    x = 1,705,331,259.71/55,533.31
  6. Step 6: Final answer
    x = 30,708.26

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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.