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Finding the Fourth Proportional to 46,000.40, 69,000.60 and 39,439.40

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Solution

The fourth proportional to 46,000.40, 69,000.60 and 39,439.40 is: 59,159.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,000.40 : 69,000.60 = 39,439.40 : x
  2. Step 2: Convert to fraction form
    46,000.40/69,000.60 = 39,439.40/x
  3. Step 3: Cross multiply
    46,000.40x = 69,000.60 × 39,439.40
  4. Step 4: Simplify right side
    46,000.40x = 2,721,342,263.64
  5. Step 5: Solve for x
    x = 2,721,342,263.64/46,000.40
  6. Step 6: Final answer
    x = 59,159.10

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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.