Home / 40,412.08-60,649.71-28,019.40

Finding the Fourth Proportional to 40,412.08, 60,649.71 and 28,019.40

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Solution

The fourth proportional to 40,412.08, 60,649.71 and 28,019.40 is: 42,051.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,412.08 : 60,649.71 = 28,019.40 : x
  2. Step 2: Convert to fraction form
    40,412.08/60,649.71 = 28,019.40/x
  3. Step 3: Cross multiply
    40,412.08x = 60,649.71 × 28,019.40
  4. Step 4: Simplify right side
    40,412.08x = 1,699,368,484.37
  5. Step 5: Solve for x
    x = 1,699,368,484.37/40,412.08
  6. Step 6: Final answer
    x = 42,051.00

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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.