Home / 55,860.20-77,088.58-30,368.30

Finding the Fourth Proportional to 55,860.20, 77,088.58 and 30,368.30

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Solution

The fourth proportional to 55,860.20, 77,088.58 and 30,368.30 is: 41,909.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,860.20 : 77,088.58 = 30,368.30 : x
  2. Step 2: Convert to fraction form
    55,860.20/77,088.58 = 30,368.30/x
  3. Step 3: Cross multiply
    55,860.20x = 77,088.58 × 30,368.30
  4. Step 4: Simplify right side
    55,860.20x = 2,341,048,899.17
  5. Step 5: Solve for x
    x = 2,341,048,899.17/55,860.20
  6. Step 6: Final answer
    x = 41,909.07

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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.