Home / 47,051.71-64,918.73-27,915.57

Finding the Fourth Proportional to 47,051.71, 64,918.73 and 27,915.57

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Solution

The fourth proportional to 47,051.71, 64,918.73 and 27,915.57 is: 38,516.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,051.71 : 64,918.73 = 27,915.57 : x
  2. Step 2: Convert to fraction form
    47,051.71/64,918.73 = 27,915.57/x
  3. Step 3: Cross multiply
    47,051.71x = 64,918.73 × 27,915.57
  4. Step 4: Simplify right side
    47,051.71x = 1,812,243,421.42
  5. Step 5: Solve for x
    x = 1,812,243,421.42/47,051.71
  6. Step 6: Final answer
    x = 38,516.00

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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.