Home / 62,571.48-93,865.05-20,455.80

Finding the Fourth Proportional to 62,571.48, 93,865.05 and 20,455.80

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Solution

The fourth proportional to 62,571.48, 93,865.05 and 20,455.80 is: 30,686.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,571.48 : 93,865.05 = 20,455.80 : x
  2. Step 2: Convert to fraction form
    62,571.48/93,865.05 = 20,455.80/x
  3. Step 3: Cross multiply
    62,571.48x = 93,865.05 × 20,455.80
  4. Step 4: Simplify right side
    62,571.48x = 1,920,084,689.79
  5. Step 5: Solve for x
    x = 1,920,084,689.79/62,571.48
  6. Step 6: Final answer
    x = 30,686.26

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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.