Home / 45,715.84-63,126.80-28,748.48

Finding the Fourth Proportional to 45,715.84, 63,126.80 and 28,748.48

Calculator

Solution

The fourth proportional to 45,715.84, 63,126.80 and 28,748.48 is: 39,697.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,715.84 : 63,126.80 = 28,748.48 : x
  2. Step 2: Convert to fraction form
    45,715.84/63,126.80 = 28,748.48/x
  3. Step 3: Cross multiply
    45,715.84x = 63,126.80 × 28,748.48
  4. Step 4: Simplify right side
    45,715.84x = 1,814,799,547.26
  5. Step 5: Solve for x
    x = 1,814,799,547.26/45,715.84
  6. Step 6: Final answer
    x = 39,697.39

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.