Home / 30,646.64-45,970.08-10,925.92

Finding the Fourth Proportional to 30,646.64, 45,970.08 and 10,925.92

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Solution

The fourth proportional to 30,646.64, 45,970.08 and 10,925.92 is: 16,388.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,646.64 : 45,970.08 = 10,925.92 : x
  2. Step 2: Convert to fraction form
    30,646.64/45,970.08 = 10,925.92/x
  3. Step 3: Cross multiply
    30,646.64x = 45,970.08 × 10,925.92
  4. Step 4: Simplify right side
    30,646.64x = 502,265,416.47
  5. Step 5: Solve for x
    x = 502,265,416.47/30,646.64
  6. Step 6: Final answer
    x = 16,388.92

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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.