Home / 56,345.94-77,754.98-30,851.84

Finding the Fourth Proportional to 56,345.94, 77,754.98 and 30,851.84

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Solution

The fourth proportional to 56,345.94, 77,754.98 and 30,851.84 is: 42,574.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,345.94 : 77,754.98 = 30,851.84 : x
  2. Step 2: Convert to fraction form
    56,345.94/77,754.98 = 30,851.84/x
  3. Step 3: Cross multiply
    56,345.94x = 77,754.98 × 30,851.84
  4. Step 4: Simplify right side
    56,345.94x = 2,398,883,659.13
  5. Step 5: Solve for x
    x = 2,398,883,659.13/56,345.94
  6. Step 6: Final answer
    x = 42,574.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.