Home / 56,052.84-77,349.42-30,902.34

Finding the Fourth Proportional to 56,052.84, 77,349.42 and 30,902.34

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Solution

The fourth proportional to 56,052.84, 77,349.42 and 30,902.34 is: 42,643.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,052.84 : 77,349.42 = 30,902.34 : x
  2. Step 2: Convert to fraction form
    56,052.84/77,349.42 = 30,902.34/x
  3. Step 3: Cross multiply
    56,052.84x = 77,349.42 × 30,902.34
  4. Step 4: Simplify right side
    56,052.84x = 2,390,278,075.64
  5. Step 5: Solve for x
    x = 2,390,278,075.64/56,052.84
  6. Step 6: Final answer
    x = 42,643.30

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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.