Home / 56,219.04-77,583.84-31,070.08

Finding the Fourth Proportional to 56,219.04, 77,583.84 and 31,070.08

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Solution

The fourth proportional to 56,219.04, 77,583.84 and 31,070.08 is: 42,877.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,219.04 : 77,583.84 = 31,070.08 : x
  2. Step 2: Convert to fraction form
    56,219.04/77,583.84 = 31,070.08/x
  3. Step 3: Cross multiply
    56,219.04x = 77,583.84 × 31,070.08
  4. Step 4: Simplify right side
    56,219.04x = 2,410,536,115.51
  5. Step 5: Solve for x
    x = 2,410,536,115.51/56,219.04
  6. Step 6: Final answer
    x = 42,877.58

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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.