Home / 35,578.95-53,368.43-13,397.31

Finding the Fourth Proportional to 35,578.95, 53,368.43 and 13,397.31

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Solution

The fourth proportional to 35,578.95, 53,368.43 and 13,397.31 is: 20,095.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,578.95 : 53,368.43 = 13,397.31 : x
  2. Step 2: Convert to fraction form
    35,578.95/53,368.43 = 13,397.31/x
  3. Step 3: Cross multiply
    35,578.95x = 53,368.43 × 13,397.31
  4. Step 4: Simplify right side
    35,578.95x = 714,993,333.94
  5. Step 5: Solve for x
    x = 714,993,333.94/35,578.95
  6. Step 6: Final answer
    x = 20,095.97

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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.