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Finding the Fourth Proportional to 46,902.53, 70,354.95 and 13,622.88

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Solution

The fourth proportional to 46,902.53, 70,354.95 and 13,622.88 is: 20,434.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,902.53 : 70,354.95 = 13,622.88 : x
  2. Step 2: Convert to fraction form
    46,902.53/70,354.95 = 13,622.88/x
  3. Step 3: Cross multiply
    46,902.53x = 70,354.95 × 13,622.88
  4. Step 4: Simplify right side
    46,902.53x = 958,437,254.00
  5. Step 5: Solve for x
    x = 958,437,254.00/46,902.53
  6. Step 6: Final answer
    x = 20,434.66

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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.