Home / 52,340.77-78,448.62-19,021.82

Finding the Fourth Proportional to 52,340.77, 78,448.62 and 19,021.82

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Solution

The fourth proportional to 52,340.77, 78,448.62 and 19,021.82 is: 28,510.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,340.77 : 78,448.62 = 19,021.82 : x
  2. Step 2: Convert to fraction form
    52,340.77/78,448.62 = 19,021.82/x
  3. Step 3: Cross multiply
    52,340.77x = 78,448.62 × 19,021.82
  4. Step 4: Simplify right side
    52,340.77x = 1,492,235,528.89
  5. Step 5: Solve for x
    x = 1,492,235,528.89/52,340.77
  6. Step 6: Final answer
    x = 28,510.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.