Home / 31,041.94-42,836.54-16,894.74

Finding the Fourth Proportional to 31,041.94, 42,836.54 and 16,894.74

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Solution

The fourth proportional to 31,041.94, 42,836.54 and 16,894.74 is: 23,314.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,041.94 : 42,836.54 = 16,894.74 : x
  2. Step 2: Convert to fraction form
    31,041.94/42,836.54 = 16,894.74/x
  3. Step 3: Cross multiply
    31,041.94x = 42,836.54 × 16,894.74
  4. Step 4: Simplify right side
    31,041.94x = 723,712,205.80
  5. Step 5: Solve for x
    x = 723,712,205.80/31,041.94
  6. Step 6: Final answer
    x = 23,314.01

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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.