Home / 46,705.20-70,057.80-13,426.35

Finding the Fourth Proportional to 46,705.20, 70,057.80 and 13,426.35

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Solution

The fourth proportional to 46,705.20, 70,057.80 and 13,426.35 is: 20,139.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,705.20 : 70,057.80 = 13,426.35 : x
  2. Step 2: Convert to fraction form
    46,705.20/70,057.80 = 13,426.35/x
  3. Step 3: Cross multiply
    46,705.20x = 70,057.80 × 13,426.35
  4. Step 4: Simplify right side
    46,705.20x = 940,620,543.03
  5. Step 5: Solve for x
    x = 940,620,543.03/46,705.20
  6. Step 6: Final answer
    x = 20,139.53

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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.