Home / 56,152.89-84,223.66-18,708.94

Finding the Fourth Proportional to 56,152.89, 84,223.66 and 18,708.94

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Solution

The fourth proportional to 56,152.89, 84,223.66 and 18,708.94 is: 28,061.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,152.89 : 84,223.66 = 18,708.94 : x
  2. Step 2: Convert to fraction form
    56,152.89/84,223.66 = 18,708.94/x
  3. Step 3: Cross multiply
    56,152.89x = 84,223.66 × 18,708.94
  4. Step 4: Simplify right side
    56,152.89x = 1,575,735,307.98
  5. Step 5: Solve for x
    x = 1,575,735,307.98/56,152.89
  6. Step 6: Final answer
    x = 28,061.52

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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.