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Finding the Fourth Proportional to 46,643.70, 69,965.55 and 46,352.10

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Solution

The fourth proportional to 46,643.70, 69,965.55 and 46,352.10 is: 69,528.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,643.70 : 69,965.55 = 46,352.10 : x
  2. Step 2: Convert to fraction form
    46,643.70/69,965.55 = 46,352.10/x
  3. Step 3: Cross multiply
    46,643.70x = 69,965.55 × 46,352.10
  4. Step 4: Simplify right side
    46,643.70x = 3,243,050,170.16
  5. Step 5: Solve for x
    x = 3,243,050,170.16/46,643.70
  6. Step 6: Final answer
    x = 69,528.15

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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.