Home / 55,088.48-76,000.63-40,782.55

Finding the Fourth Proportional to 55,088.48, 76,000.63 and 40,782.55

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Solution

The fourth proportional to 55,088.48, 76,000.63 and 40,782.55 is: 56,264.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,088.48 : 76,000.63 = 40,782.55 : x
  2. Step 2: Convert to fraction form
    55,088.48/76,000.63 = 40,782.55/x
  3. Step 3: Cross multiply
    55,088.48x = 76,000.63 × 40,782.55
  4. Step 4: Simplify right side
    55,088.48x = 3,099,499,493.01
  5. Step 5: Solve for x
    x = 3,099,499,493.01/55,088.48
  6. Step 6: Final answer
    x = 56,264.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.