Home / 30,810.06-45,973.08-28,929.24

Finding the Fourth Proportional to 30,810.06, 45,973.08 and 28,929.24

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Solution

The fourth proportional to 30,810.06, 45,973.08 and 28,929.24 is: 43,166.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,810.06 : 45,973.08 = 28,929.24 : x
  2. Step 2: Convert to fraction form
    30,810.06/45,973.08 = 28,929.24/x
  3. Step 3: Cross multiply
    30,810.06x = 45,973.08 × 28,929.24
  4. Step 4: Simplify right side
    30,810.06x = 1,329,966,264.86
  5. Step 5: Solve for x
    x = 1,329,966,264.86/30,810.06
  6. Step 6: Final answer
    x = 43,166.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.