Home / 38,897.10-58,345.65-12,602.70

Finding the Fourth Proportional to 38,897.10, 58,345.65 and 12,602.70

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Solution

The fourth proportional to 38,897.10, 58,345.65 and 12,602.70 is: 18,904.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,897.10 : 58,345.65 = 12,602.70 : x
  2. Step 2: Convert to fraction form
    38,897.10/58,345.65 = 12,602.70/x
  3. Step 3: Cross multiply
    38,897.10x = 58,345.65 × 12,602.70
  4. Step 4: Simplify right side
    38,897.10x = 735,312,723.26
  5. Step 5: Solve for x
    x = 735,312,723.26/38,897.10
  6. Step 6: Final answer
    x = 18,904.05

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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.