Home / 39,053.04-53,893.36-21,148.24

Finding the Fourth Proportional to 39,053.04, 53,893.36 and 21,148.24

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Solution

The fourth proportional to 39,053.04, 53,893.36 and 21,148.24 is: 29,184.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,053.04 : 53,893.36 = 21,148.24 : x
  2. Step 2: Convert to fraction form
    39,053.04/53,893.36 = 21,148.24/x
  3. Step 3: Cross multiply
    39,053.04x = 53,893.36 × 21,148.24
  4. Step 4: Simplify right side
    39,053.04x = 1,139,749,711.69
  5. Step 5: Solve for x
    x = 1,139,749,711.69/39,053.04
  6. Step 6: Final answer
    x = 29,184.66

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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.