Home / 42,713.80-64,070.70-40,417.45

Finding the Fourth Proportional to 42,713.80, 64,070.70 and 40,417.45

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Solution

The fourth proportional to 42,713.80, 64,070.70 and 40,417.45 is: 60,626.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,713.80 : 64,070.70 = 40,417.45 : x
  2. Step 2: Convert to fraction form
    42,713.80/64,070.70 = 40,417.45/x
  3. Step 3: Cross multiply
    42,713.80x = 64,070.70 × 40,417.45
  4. Step 4: Simplify right side
    42,713.80x = 2,589,574,313.72
  5. Step 5: Solve for x
    x = 2,589,574,313.72/42,713.80
  6. Step 6: Final answer
    x = 60,626.18

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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.