Home / 46,752.40-70,086.88-20,436.31

Finding the Fourth Proportional to 46,752.40, 70,086.88 and 20,436.31

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Solution

The fourth proportional to 46,752.40, 70,086.88 and 20,436.31 is: 30,636.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,752.40 : 70,086.88 = 20,436.31 : x
  2. Step 2: Convert to fraction form
    46,752.40/70,086.88 = 20,436.31/x
  3. Step 3: Cross multiply
    46,752.40x = 70,086.88 × 20,436.31
  4. Step 4: Simplify right side
    46,752.40x = 1,432,317,206.61
  5. Step 5: Solve for x
    x = 1,432,317,206.61/46,752.40
  6. Step 6: Final answer
    x = 30,636.23

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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.