Home / 30,808.08-46,124.28-28,358.64

Finding the Fourth Proportional to 30,808.08, 46,124.28 and 28,358.64

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Solution

The fourth proportional to 30,808.08, 46,124.28 and 28,358.64 is: 42,457.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,808.08 : 46,124.28 = 28,358.64 : x
  2. Step 2: Convert to fraction form
    30,808.08/46,124.28 = 28,358.64/x
  3. Step 3: Cross multiply
    30,808.08x = 46,124.28 × 28,358.64
  4. Step 4: Simplify right side
    30,808.08x = 1,308,021,851.78
  5. Step 5: Solve for x
    x = 1,308,021,851.78/30,808.08
  6. Step 6: Final answer
    x = 42,457.10

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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.