Home / 55,388.86-76,445.40-35,224.72

Finding the Fourth Proportional to 55,388.86, 76,445.40 and 35,224.72

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Solution

The fourth proportional to 55,388.86, 76,445.40 and 35,224.72 is: 48,615.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,388.86 : 76,445.40 = 35,224.72 : x
  2. Step 2: Convert to fraction form
    55,388.86/76,445.40 = 35,224.72/x
  3. Step 3: Cross multiply
    55,388.86x = 76,445.40 × 35,224.72
  4. Step 4: Simplify right side
    55,388.86x = 2,692,767,810.29
  5. Step 5: Solve for x
    x = 2,692,767,810.29/55,388.86
  6. Step 6: Final answer
    x = 48,615.69

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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.