Home / 63,465.05-87,578.75-37,985.45

Finding the Fourth Proportional to 63,465.05, 87,578.75 and 37,985.45

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Solution

The fourth proportional to 63,465.05, 87,578.75 and 37,985.45 is: 52,418.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,465.05 : 87,578.75 = 37,985.45 : x
  2. Step 2: Convert to fraction form
    63,465.05/87,578.75 = 37,985.45/x
  3. Step 3: Cross multiply
    63,465.05x = 87,578.75 × 37,985.45
  4. Step 4: Simplify right side
    63,465.05x = 3,326,717,601.37
  5. Step 5: Solve for x
    x = 3,326,717,601.37/63,465.05
  6. Step 6: Final answer
    x = 52,418.11

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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.