Home / 39,519.79-54,547.44-27,421.12

Finding the Fourth Proportional to 39,519.79, 54,547.44 and 27,421.12

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Solution

The fourth proportional to 39,519.79, 54,547.44 and 27,421.12 is: 37,848.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,519.79 : 54,547.44 = 27,421.12 : x
  2. Step 2: Convert to fraction form
    39,519.79/54,547.44 = 27,421.12/x
  3. Step 3: Cross multiply
    39,519.79x = 54,547.44 × 27,421.12
  4. Step 4: Simplify right side
    39,519.79x = 1,495,751,897.93
  5. Step 5: Solve for x
    x = 1,495,751,897.93/39,519.79
  6. Step 6: Final answer
    x = 37,848.17

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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.