Home / 42,133.50-63,210.65-12,551.22

Finding the Fourth Proportional to 42,133.50, 63,210.65 and 12,551.22

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Solution

The fourth proportional to 42,133.50, 63,210.65 and 12,551.22 is: 18,829.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,133.50 : 63,210.65 = 12,551.22 : x
  2. Step 2: Convert to fraction form
    42,133.50/63,210.65 = 12,551.22/x
  3. Step 3: Cross multiply
    42,133.50x = 63,210.65 × 12,551.22
  4. Step 4: Simplify right side
    42,133.50x = 793,370,711.74
  5. Step 5: Solve for x
    x = 793,370,711.74/42,133.50
  6. Step 6: Final answer
    x = 18,829.93

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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.