Home / 30,688.04-46,032.60-10,980.74

Finding the Fourth Proportional to 30,688.04, 46,032.60 and 10,980.74

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Solution

The fourth proportional to 30,688.04, 46,032.60 and 10,980.74 is: 16,471.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,688.04 : 46,032.60 = 10,980.74 : x
  2. Step 2: Convert to fraction form
    30,688.04/46,032.60 = 10,980.74/x
  3. Step 3: Cross multiply
    30,688.04x = 46,032.60 × 10,980.74
  4. Step 4: Simplify right side
    30,688.04x = 505,472,012.12
  5. Step 5: Solve for x
    x = 505,472,012.12/30,688.04
  6. Step 6: Final answer
    x = 16,471.30

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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.