Home / 52,341.93-78,465.39-19,038.45

Finding the Fourth Proportional to 52,341.93, 78,465.39 and 19,038.45

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Solution

The fourth proportional to 52,341.93, 78,465.39 and 19,038.45 is: 28,540.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,341.93 : 78,465.39 = 19,038.45 : x
  2. Step 2: Convert to fraction form
    52,341.93/78,465.39 = 19,038.45/x
  3. Step 3: Cross multiply
    52,341.93x = 78,465.39 × 19,038.45
  4. Step 4: Simplify right side
    52,341.93x = 1,493,859,627.10
  5. Step 5: Solve for x
    x = 1,493,859,627.10/52,341.93
  6. Step 6: Final answer
    x = 28,540.40

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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.