Home / 56,862.86-85,313.16-17,420.36

Finding the Fourth Proportional to 56,862.86, 85,313.16 and 17,420.36

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Solution

The fourth proportional to 56,862.86, 85,313.16 and 17,420.36 is: 26,136.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,862.86 : 85,313.16 = 17,420.36 : x
  2. Step 2: Convert to fraction form
    56,862.86/85,313.16 = 17,420.36/x
  3. Step 3: Cross multiply
    56,862.86x = 85,313.16 × 17,420.36
  4. Step 4: Simplify right side
    56,862.86x = 1,486,185,959.94
  5. Step 5: Solve for x
    x = 1,486,185,959.94/56,862.86
  6. Step 6: Final answer
    x = 26,136.32

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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.