Home / 56,154.84-77,493.08-30,661.12

Finding the Fourth Proportional to 56,154.84, 77,493.08 and 30,661.12

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Solution

The fourth proportional to 56,154.84, 77,493.08 and 30,661.12 is: 42,312.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,154.84 : 77,493.08 = 30,661.12 : x
  2. Step 2: Convert to fraction form
    56,154.84/77,493.08 = 30,661.12/x
  3. Step 3: Cross multiply
    56,154.84x = 77,493.08 × 30,661.12
  4. Step 4: Simplify right side
    56,154.84x = 2,376,024,798.57
  5. Step 5: Solve for x
    x = 2,376,024,798.57/56,154.84
  6. Step 6: Final answer
    x = 42,312.02

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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.