Home / 52,280.40-78,429.36-19,002.24

Finding the Fourth Proportional to 52,280.40, 78,429.36 and 19,002.24

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Solution

The fourth proportional to 52,280.40, 78,429.36 and 19,002.24 is: 28,506.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,280.40 : 78,429.36 = 19,002.24 : x
  2. Step 2: Convert to fraction form
    52,280.40/78,429.36 = 19,002.24/x
  3. Step 3: Cross multiply
    52,280.40x = 78,429.36 × 19,002.24
  4. Step 4: Simplify right side
    52,280.40x = 1,490,333,521.77
  5. Step 5: Solve for x
    x = 1,490,333,521.77/52,280.40
  6. Step 6: Final answer
    x = 28,506.54

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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.