Home / 56,024.08-77,312.27-30,530.75

Finding the Fourth Proportional to 56,024.08, 77,312.27 and 30,530.75

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Solution

The fourth proportional to 56,024.08, 77,312.27 and 30,530.75 is: 42,131.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,024.08 : 77,312.27 = 30,530.75 : x
  2. Step 2: Convert to fraction form
    56,024.08/77,312.27 = 30,530.75/x
  3. Step 3: Cross multiply
    56,024.08x = 77,312.27 × 30,530.75
  4. Step 4: Simplify right side
    56,024.08x = 2,360,401,277.07
  5. Step 5: Solve for x
    x = 2,360,401,277.07/56,024.08
  6. Step 6: Final answer
    x = 42,131.91

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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.