Home / 42,994.16-59,334.60-28,629.36

Finding the Fourth Proportional to 42,994.16, 59,334.60 and 28,629.36

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Solution

The fourth proportional to 42,994.16, 59,334.60 and 28,629.36 is: 39,510.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,994.16 : 59,334.60 = 28,629.36 : x
  2. Step 2: Convert to fraction form
    42,994.16/59,334.60 = 28,629.36/x
  3. Step 3: Cross multiply
    42,994.16x = 59,334.60 × 28,629.36
  4. Step 4: Simplify right side
    42,994.16x = 1,698,711,623.86
  5. Step 5: Solve for x
    x = 1,698,711,623.86/42,994.16
  6. Step 6: Final answer
    x = 39,510.29

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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.