Home / 42,954.88-59,303.65-28,076.80

Finding the Fourth Proportional to 42,954.88, 59,303.65 and 28,076.80

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Solution

The fourth proportional to 42,954.88, 59,303.65 and 28,076.80 is: 38,762.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,954.88 : 59,303.65 = 28,076.80 : x
  2. Step 2: Convert to fraction form
    42,954.88/59,303.65 = 28,076.80/x
  3. Step 3: Cross multiply
    42,954.88x = 59,303.65 × 28,076.80
  4. Step 4: Simplify right side
    42,954.88x = 1,665,056,423.80
  5. Step 5: Solve for x
    x = 1,665,056,423.80/42,954.88
  6. Step 6: Final answer
    x = 38,762.92

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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.