Home / 70,397.32-105,577.44-26,036.78

Finding the Fourth Proportional to 70,397.32, 105,577.44 and 26,036.78

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Solution

The fourth proportional to 70,397.32, 105,577.44 and 26,036.78 is: 39,048.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,397.32 : 105,577.44 = 26,036.78 : x
  2. Step 2: Convert to fraction form
    70,397.32/105,577.44 = 26,036.78/x
  3. Step 3: Cross multiply
    70,397.32x = 105,577.44 × 26,036.78
  4. Step 4: Simplify right side
    70,397.32x = 2,748,896,578.24
  5. Step 5: Solve for x
    x = 2,748,896,578.24/70,397.32
  6. Step 6: Final answer
    x = 39,048.31

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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.