Home / 40,838.32-61,261.02-11,256.22

Finding the Fourth Proportional to 40,838.32, 61,261.02 and 11,256.22

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Solution

The fourth proportional to 40,838.32, 61,261.02 and 11,256.22 is: 16,885.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,838.32 : 61,261.02 = 11,256.22 : x
  2. Step 2: Convert to fraction form
    40,838.32/61,261.02 = 11,256.22/x
  3. Step 3: Cross multiply
    40,838.32x = 61,261.02 × 11,256.22
  4. Step 4: Simplify right side
    40,838.32x = 689,567,518.54
  5. Step 5: Solve for x
    x = 689,567,518.54/40,838.32
  6. Step 6: Final answer
    x = 16,885.31

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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.