Home / 42,017.80-63,026.70-14,315.80

Finding the Fourth Proportional to 42,017.80, 63,026.70 and 14,315.80

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Solution

The fourth proportional to 42,017.80, 63,026.70 and 14,315.80 is: 21,473.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,017.80 : 63,026.70 = 14,315.80 : x
  2. Step 2: Convert to fraction form
    42,017.80/63,026.70 = 14,315.80/x
  3. Step 3: Cross multiply
    42,017.80x = 63,026.70 × 14,315.80
  4. Step 4: Simplify right side
    42,017.80x = 902,277,631.86
  5. Step 5: Solve for x
    x = 902,277,631.86/42,017.80
  6. Step 6: Final answer
    x = 21,473.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.