Home / 30,510.02-45,772.92-17,870.46

Finding the Fourth Proportional to 30,510.02, 45,772.92 and 17,870.46

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Solution

The fourth proportional to 30,510.02, 45,772.92 and 17,870.46 is: 26,810.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,510.02 : 45,772.92 = 17,870.46 : x
  2. Step 2: Convert to fraction form
    30,510.02/45,772.92 = 17,870.46/x
  3. Step 3: Cross multiply
    30,510.02x = 45,772.92 × 17,870.46
  4. Step 4: Simplify right side
    30,510.02x = 817,983,135.94
  5. Step 5: Solve for x
    x = 817,983,135.94/30,510.02
  6. Step 6: Final answer
    x = 26,810.31

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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.