Home / 42,303.25-63,455.90-14,223.67

Finding the Fourth Proportional to 42,303.25, 63,455.90 and 14,223.67

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Solution

The fourth proportional to 42,303.25, 63,455.90 and 14,223.67 is: 21,335.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,303.25 : 63,455.90 = 14,223.67 : x
  2. Step 2: Convert to fraction form
    42,303.25/63,455.90 = 14,223.67/x
  3. Step 3: Cross multiply
    42,303.25x = 63,455.90 × 14,223.67
  4. Step 4: Simplify right side
    42,303.25x = 902,575,781.15
  5. Step 5: Solve for x
    x = 902,575,781.15/42,303.25
  6. Step 6: Final answer
    x = 21,335.85

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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.