Home / 37,690.40-56,547.89-18,960.77

Finding the Fourth Proportional to 37,690.40, 56,547.89 and 18,960.77

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Solution

The fourth proportional to 37,690.40, 56,547.89 and 18,960.77 is: 28,447.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,690.40 : 56,547.89 = 18,960.77 : x
  2. Step 2: Convert to fraction form
    37,690.40/56,547.89 = 18,960.77/x
  3. Step 3: Cross multiply
    37,690.40x = 56,547.89 × 18,960.77
  4. Step 4: Simplify right side
    37,690.40x = 1,072,191,536.28
  5. Step 5: Solve for x
    x = 1,072,191,536.28/37,690.40
  6. Step 6: Final answer
    x = 28,447.34

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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.