Home / 46,386.88-64,047.18-28,505.86

Finding the Fourth Proportional to 46,386.88, 64,047.18 and 28,505.86

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Solution

The fourth proportional to 46,386.88, 64,047.18 and 28,505.86 is: 39,358.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,386.88 : 64,047.18 = 28,505.86 : x
  2. Step 2: Convert to fraction form
    46,386.88/64,047.18 = 28,505.86/x
  3. Step 3: Cross multiply
    46,386.88x = 64,047.18 × 28,505.86
  4. Step 4: Simplify right side
    46,386.88x = 1,825,719,946.47
  5. Step 5: Solve for x
    x = 1,825,719,946.47/46,386.88
  6. Step 6: Final answer
    x = 39,358.54

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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.