Home / 56,495.56-84,754.16-28,421.68

Finding the Fourth Proportional to 56,495.56, 84,754.16 and 28,421.68

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Solution

The fourth proportional to 56,495.56, 84,754.16 and 28,421.68 is: 42,637.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,495.56 : 84,754.16 = 28,421.68 : x
  2. Step 2: Convert to fraction form
    56,495.56/84,754.16 = 28,421.68/x
  3. Step 3: Cross multiply
    56,495.56x = 84,754.16 × 28,421.68
  4. Step 4: Simplify right side
    56,495.56x = 2,408,855,614.19
  5. Step 5: Solve for x
    x = 2,408,855,614.19/56,495.56
  6. Step 6: Final answer
    x = 42,637.96

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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.