Home / 46,438.88-64,119.04-28,557.92

Finding the Fourth Proportional to 46,438.88, 64,119.04 and 28,557.92

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Solution

The fourth proportional to 46,438.88, 64,119.04 and 28,557.92 is: 39,430.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,438.88 : 64,119.04 = 28,557.92 : x
  2. Step 2: Convert to fraction form
    46,438.88/64,119.04 = 28,557.92/x
  3. Step 3: Cross multiply
    46,438.88x = 64,119.04 × 28,557.92
  4. Step 4: Simplify right side
    46,438.88x = 1,831,106,414.80
  5. Step 5: Solve for x
    x = 1,831,106,414.80/46,438.88
  6. Step 6: Final answer
    x = 39,430.46

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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.