Home / 56,124.04-77,450.68-30,973

Finding the Fourth Proportional to 56,124.04, 77,450.68 and 30,973

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Solution

The fourth proportional to 56,124.04, 77,450.68 and 30,973 is: 42,742.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,124.04 : 77,450.68 = 30,973 : x
  2. Step 2: Convert to fraction form
    56,124.04/77,450.68 = 30,973/x
  3. Step 3: Cross multiply
    56,124.04x = 77,450.68 × 30,973
  4. Step 4: Simplify right side
    56,124.04x = 2,398,879,911.64
  5. Step 5: Solve for x
    x = 2,398,879,911.64/56,124.04
  6. Step 6: Final answer
    x = 42,742.47

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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.