Home / 56,207.26-77,566.06-31,056.76

Finding the Fourth Proportional to 56,207.26, 77,566.06 and 31,056.76

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Solution

The fourth proportional to 56,207.26, 77,566.06 and 31,056.76 is: 42,858.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,207.26 : 77,566.06 = 31,056.76 : x
  2. Step 2: Convert to fraction form
    56,207.26/77,566.06 = 31,056.76/x
  3. Step 3: Cross multiply
    56,207.26x = 77,566.06 × 31,056.76
  4. Step 4: Simplify right side
    56,207.26x = 2,408,950,509.57
  5. Step 5: Solve for x
    x = 2,408,950,509.57/56,207.26
  6. Step 6: Final answer
    x = 42,858.35

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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.