Home / 31,048.18-42,845.16-16,901.08

Finding the Fourth Proportional to 31,048.18, 42,845.16 and 16,901.08

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Solution

The fourth proportional to 31,048.18, 42,845.16 and 16,901.08 is: 23,322.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,048.18 : 42,845.16 = 16,901.08 : x
  2. Step 2: Convert to fraction form
    31,048.18/42,845.16 = 16,901.08/x
  3. Step 3: Cross multiply
    31,048.18x = 42,845.16 × 16,901.08
  4. Step 4: Simplify right side
    31,048.18x = 724,129,476.77
  5. Step 5: Solve for x
    x = 724,129,476.77/31,048.18
  6. Step 6: Final answer
    x = 23,322.77

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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.