Home / 39,437.52-54,421.96-21,533.36

Finding the Fourth Proportional to 39,437.52, 54,421.96 and 21,533.36

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Solution

The fourth proportional to 39,437.52, 54,421.96 and 21,533.36 is: 29,715.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,437.52 : 54,421.96 = 21,533.36 : x
  2. Step 2: Convert to fraction form
    39,437.52/54,421.96 = 21,533.36/x
  3. Step 3: Cross multiply
    39,437.52x = 54,421.96 × 21,533.36
  4. Step 4: Simplify right side
    39,437.52x = 1,171,887,656.59
  5. Step 5: Solve for x
    x = 1,171,887,656.59/39,437.52
  6. Step 6: Final answer
    x = 29,715.04

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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.