Home / 39,117.42-58,681.06-19,127.58

Finding the Fourth Proportional to 39,117.42, 58,681.06 and 19,127.58

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Solution

The fourth proportional to 39,117.42, 58,681.06 and 19,127.58 is: 28,693.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,117.42 : 58,681.06 = 19,127.58 : x
  2. Step 2: Convert to fraction form
    39,117.42/58,681.06 = 19,127.58/x
  3. Step 3: Cross multiply
    39,117.42x = 58,681.06 × 19,127.58
  4. Step 4: Simplify right side
    39,117.42x = 1,122,426,669.63
  5. Step 5: Solve for x
    x = 1,122,426,669.63/39,117.42
  6. Step 6: Final answer
    x = 28,693.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.