Home / 39,567.02-54,602.30-21,417.75

Finding the Fourth Proportional to 39,567.02, 54,602.30 and 21,417.75

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Solution

The fourth proportional to 39,567.02, 54,602.30 and 21,417.75 is: 29,556.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,567.02 : 54,602.30 = 21,417.75 : x
  2. Step 2: Convert to fraction form
    39,567.02/54,602.30 = 21,417.75/x
  3. Step 3: Cross multiply
    39,567.02x = 54,602.30 × 21,417.75
  4. Step 4: Simplify right side
    39,567.02x = 1,169,458,464.37
  5. Step 5: Solve for x
    x = 1,169,458,464.37/39,567.02
  6. Step 6: Final answer
    x = 29,556.40

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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.