Home / 30,510.08-45,779.36-10,803.52

Finding the Fourth Proportional to 30,510.08, 45,779.36 and 10,803.52

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Solution

The fourth proportional to 30,510.08, 45,779.36 and 10,803.52 is: 16,210.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,510.08 : 45,779.36 = 10,803.52 : x
  2. Step 2: Convert to fraction form
    30,510.08/45,779.36 = 10,803.52/x
  3. Step 3: Cross multiply
    30,510.08x = 45,779.36 × 10,803.52
  4. Step 4: Simplify right side
    30,510.08x = 494,578,231.35
  5. Step 5: Solve for x
    x = 494,578,231.35/30,510.08
  6. Step 6: Final answer
    x = 16,210.32

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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.