Home / 31,033.49-42,826.02-16,886.39

Finding the Fourth Proportional to 31,033.49, 42,826.02 and 16,886.39

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Solution

The fourth proportional to 31,033.49, 42,826.02 and 16,886.39 is: 23,303.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,033.49 : 42,826.02 = 16,886.39 : x
  2. Step 2: Convert to fraction form
    31,033.49/42,826.02 = 16,886.39/x
  3. Step 3: Cross multiply
    31,033.49x = 42,826.02 × 16,886.39
  4. Step 4: Simplify right side
    31,033.49x = 723,176,875.87
  5. Step 5: Solve for x
    x = 723,176,875.87/31,033.49
  6. Step 6: Final answer
    x = 23,303.11

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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.