Home / 47,038.52-64,913.16-28,186.56

Finding the Fourth Proportional to 47,038.52, 64,913.16 and 28,186.56

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Solution

The fourth proportional to 47,038.52, 64,913.16 and 28,186.56 is: 38,897.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,038.52 : 64,913.16 = 28,186.56 : x
  2. Step 2: Convert to fraction form
    47,038.52/64,913.16 = 28,186.56/x
  3. Step 3: Cross multiply
    47,038.52x = 64,913.16 × 28,186.56
  4. Step 4: Simplify right side
    47,038.52x = 1,829,678,679.13
  5. Step 5: Solve for x
    x = 1,829,678,679.13/47,038.52
  6. Step 6: Final answer
    x = 38,897.45

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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.