Home / 56,225.08-77,595.18-31,075

Finding the Fourth Proportional to 56,225.08, 77,595.18 and 31,075

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Solution

The fourth proportional to 56,225.08, 77,595.18 and 31,075 is: 42,886.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,225.08 : 77,595.18 = 31,075 : x
  2. Step 2: Convert to fraction form
    56,225.08/77,595.18 = 31,075/x
  3. Step 3: Cross multiply
    56,225.08x = 77,595.18 × 31,075
  4. Step 4: Simplify right side
    56,225.08x = 2,411,270,218.50
  5. Step 5: Solve for x
    x = 2,411,270,218.50/56,225.08
  6. Step 6: Final answer
    x = 42,886.03

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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.